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perf python: Disable -Wno-cast-function-type-mismatch if present on clang

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The -Wcast-function-type-mismatch option was introduced in clang 19 and
its enabled by default, since we use -Werror, and python bindings do
casts that are valid but trips this warning, disable it if present.

Closes: https://lore.kernel.org/all/CA+icZUXoJ6BS3GMhJHV3aZWyb5Cz2haFneX0C5pUMUUhG-UVKQ@mail.gmail.com
Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: stable@vger.kernel.org # To allow building with the upcoming clang 19
Link: https://lore.kernel.org/lkml/CA+icZUVtHn8X1Tb_Y__c-WswsO0K8U9uy3r2MzKXwTA5THtL7w@mail.gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2024-08-22 14:13:49 -03:00
parent b811623020
commit 00dc514612
1 changed files with 2 additions and 0 deletions
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2
tools/perf/util/setup.py
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@ -63,6 +63,8 @@ cflags = getenv('CFLAGS', '').split()
cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
if cc_is_clang:
cflags += ["-Wno-unused-command-line-argument" ]
if clang_has_option("-Wno-cast-function-type-mismatch"):
cflags += ["-Wno-cast-function-type-mismatch" ]
else:
cflags += ['-Wno-cast-function-type' ]